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20678 (1999 VE9)
Classification: Main-belt Asteroid          SPK-ID: 2020678
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2136560107622421 3.4707e-08  
a 2.434935403440617 7.7068e-09 au
q 1.914696818677744 8.3225e-08 au
i 1.328029783577336 4.1148e-06 deg
node 97.29212506832546 0.00017801 deg
peri 350.8604150637726 0.00017827 deg
M 160.7553083562669 1.0673e-05 deg
tp 2458380.784419082889
(2018-Sep-19.28441908)		 3.9856e-05 TDB
period 1387.808660325727
3.80		 6.5888e-06
1.804e-08		 d
yr
n .2594017534920887 1.2315e-09 deg/d
Q 2.95517398820349 9.3534e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1650  
   data-arc span      15949 days (43.67 yr)  
   first obs. used      1976-12-16  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52364  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:01:22  

Additional Information
 Earth MOID = .931142 au 
 Jupiter MOID = 2.26054 au 
 T_jup = 3.473 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO474037  
diameter diameter 3.217 km 0.505 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.271   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

20678 (1999 VE9)          Discovered 1999-Nov-08 by Korlevic, K. at Visnjan
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VE9 = 1962 CF1 = 1976 YR2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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